don't use GC::Profiler on default.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64872 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
don't use GC::Profiler on default.
add -p option instead.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64872 b2dd03c8-39d4-4d8f-98ff-823fe69b080e